Comparison

Shielding Tester vs ECSig

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Shielding Tester

Features
Read full description

Shielding Tester is designed for quick testing of shielding boxes, cases, bags, and other devices that block radio signals based on the Faraday cage principle. The application measures signal strengths across a range of mobile communication standards, including GSM/2G/3G/4G/5G, Wi-Fi 2.4/5 GHz, and Bluetooth. It provides insights on how effectively these devices block radio signals across various frequencies, assisting in the verification of the performance of Faraday cage devices and accessories. ‣ Test the effectiveness of your Faraday cage within a minute; ‣ Get test results on cellular, Wi-Fi, and Bluetooth frequencies; ‣ Sign in to unlock access to advanced features. FARADAY CAGE ASSESSMENT Determine the effectiveness of your signal-blocking gear! - Open the app. - Initiate the test. - Place your phone inside the Faraday enclosure. - Listen for the sound indication of test completion. - Receive information on your shielding sleeve, box, or bag's efficiency. PERSONAL DASHBOARD Access your account to explore extra features! Store your test results and forward them via email. SHOP In case your Faraday cage underperforms and permits signal leakage, you have the convenience to acquire a tested and guaranteed shielding solution directly from the app. DISCLAIMER On iOS 11 and later, the measurement approach used by the app may exhibit a potential deviation of ±5 dBm. Please be aware that the results provided are approximations, intended to offer a general idea of signal levels and shielding performance, rather than exact measurements.

About

ECSig

This app provides a user-friendly interface to control RF signal generator devices. It allows precise customization of signal frequency and power output across multiple channels via a Bluetooth connection.

Highlights
  • Bluetooth device connection
  • Control 4-8 individual channels
  • Customize frequency and power
  • Save and recall device profiles
  • Intuitive professional interface
Read full description

ECSig is the official app for controlling ECSite Inc.’s RF signal generator devices. With a simple and intuitive interface, the app allows users to connect via Bluetooth and manage 4-8 individual channels, customizing signal frequency and power output with precision. Key Features: - Seamlessly connect to ECSig devices via Bluetooth - Control 4-8 individual channels for tailored signal outputs - Toggle channels on/off and set unique frequencies and power levels - Save and recall device profiles for quick access to preferred settings - Efficient, professional interface designed for ECSite Inc. customers Take full control of your ECSig device for reliable and customizable RF signal generation, all in the palm of your hand.

Screenshots

Shielding Tester4 screens
ECSig4 screens

Verdict

The call

The clearest difference is update cadence: ECSig at every 3 months against Shielding Tester's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Shielding Tester ships an update every 7 months, ECSig every 3 months. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

Scorecard1 real difference · 8 level
Shielding Tester versus ECSig: the parameters behind the verdict, then further details
ParameterShielding TesterECSig
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 7 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.1 — better
Further details — not scored
Size13 MB29 MB
Age rating4+4+
DeveloperVelter KZEcsite Inc

In-app purchases

None

Shielding Tester

No in-app purchases

None

ECSig

No in-app purchases

Questions

Is Shielding Tester free?
Shielding Tester is free to download, with no in-app purchases.
Is ECSig free?
ECSig is free to download, with no in-app purchases.
Do Shielding Tester or ECSig have ads?
Neither Shielding Tester nor ECSig shows ads.
Which is updated more often, Shielding Tester or ECSig?
Shielding Tester ships an update every 7 months, and ECSig every 3 months. Most recently, Shielding Tester was updated on September 27, 2026 and ECSig on September 23, 2026.

Other comparisons